Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 51 for “"Force Distribution"”.
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Tractive-Force Distribution in Sewers and Channels
Made available in DSpace on 2014-12-08T23:56:09Z (GMT). No. of bitstreams: 1 6408430.pdf: 9519970 bytes, checksum: d148eb1b844e6d2554056e1dd4beba1b (MD5) Previous issue date: 1964
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Quantitative Measurements of Force Distribution in Single and Multi Cellular Systems
… be adjusted independently. In addition, local force and compliance measurements should produce new insights in cell-ECM interaction and tissue development. The first two parts of this thesis describe a novel micro-engineered mechanical device which serves as a platform for constructing ECM …
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Prediction of Steel Force Distribution in Reinforced Concrete Members From Bond-Slip Characteristics
Made available in DSpace on 2014-12-08T23:56:21Z (GMT). No. of bitstreams: 1 6511759.pdf: 8350412 bytes, checksum: c06df35e4168b8f3276e2a3fa3cc6e6b (MD5) Previous issue date: 1965
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Evaluation of force distribution within a dual special moment-resisting and special concentric-brace frame system
Dual Lateral Force Resisting Systems are currently required by code to include a Moment Resisting Frame capable of resisting at least 25% of the lateral loads. This thesis evaluates the seismic performance of a specific type of dual system: a Special Moment Resisting Frame-Special Concentric Brace …
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The effect of elbow position and grip span on isometric grip strength and force distribution of fingers.
… and grip span (50, 60, and 70 mm). The resultant forces between the jaws of the pliers and finger forces were measured under each condition. The purpose of this study was to evaluate the effect of elbow position and grip span on grip strength and force distribution across the fingers. The results …
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An instrumentation system for the measurement and display of the dynamic force distribution under the foot during locomotion
… have been proposed for recording the dynamic forces acting on the foot are either too complex for clinical practise or there is difficulty in relating the measured force distribution to the physical surface of the foot. The system that has been developed measures the vertical foot/ground …
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A Study Exploring the Use of Artificial Ligaments to Enhance the Human-Robot Interface Via Force Distribution Manipulation in Biomimetic Cuff Systems
… assistive devices. A testing rig that allows force tracking at different angles has also been created as part of this thesis. The device features 2 pairs of cuffs; one that's placed above the knee and another that's placed below the knee. Each pair of cuffs comes equipped with a BOA lacing …
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An experimental method for structural intensity and source location
… investigates the structural intensity and the force distribution function as tools to study vibrating plates. A laser Doppler vibrometer is used in measuring the plate normal velocity for the calculation of the structural intensity and the force distribution function. Several examples show the …
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Sensitivity Study on Modification of Vertical Distribution of Strength and Stiffness in Wood Shear Wall Building Models
… story on seismic response. In this study, four distributions of strength are used as bounding cases. The Parabolic strength distribution (1) results from the ELF vertical force distribution method in ASCE 7 that assigns forces to each level based on weight and story height. The Triangular …
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Investigating Internal Biomechanics for Insights into Climbing Difficulty
… biomechanics, with a focus on understanding how force distribution across the climber’s limbs impacts route difficulty. By applying a static equilibrium model to pose estimations found using machine learning techniques, we examine climber movements filmed in an indoor climbing gym. The two main …
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Experimental Measurements of Longitudinal Load Distributions on Friction Stir Weld Pin Tools
The longitudinal forces generated from the Friction Stir Welding process are substantial. An understanding of these forces is critical to proper tool design. This study describes a technique to measure the longitudinal force distribution on a friction stir weld pin tool. Total longitudinal forces …
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Dynamic simulation of particulate and molecular systems
… particles with three different size distributions (monosize, bimodal and Gaussian) are studied using the Distinct Element Method (DEM). The dissipative forces including viscoelastic and frictional contact forces between the colliding particles cause the energy loss during the packing …
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Analysis of hydrodynamic drag forces acting on suspended fine particle in porous media
… simulations results are used to compute the drag forces experienced by suspended fine particles. The drag force distributions experienced by suspended fine particles of different sizes in various compact granular porous media – ordered (simple cubic (SC), body-centered cubic (BCC), face-centered …
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A nondimensional model for axial digging in granular materials
… into the granular packing and recording the force-depth data. The digger is modeled as a column in buckling; its column effective length factor is calculated. We solve two optimization problems. First, we limit the axial force the digger is allowed to experience and analytically solve for the …
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Investigation of a flexible inextensible composite membrane reflector
… membrane with only two arrays of reinforcement subjected to pressure loading was investigated as a function of the matrix and fiber material properties. Additionally, an experimental investigation was performed to determine if a composite material with a very flexible matrix can be …
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Effects of blood vessel permeability on mechanical properties of bone under micro-gravity conditions
… microgravity can be inhibited if the same micro-force distribution under earth gravity (body weight) is achieved by increasing the blood vessel permeability to increase the transcortical interstitial fluid flow. A method of exposure to bio-frequency spectrum (BFS) light (infrared to micrometer …
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Deformable models using displacement constraints
… technique that uncouples the constraint forces from the external forces acting on an object, and solves a system of geometric constraints at each time step using an iterative technique. Displacement Constraints does not attempt to model real physics, but is a simple, efficient technique …
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Flight Dynamics and Maneuver Loads on a Commercial Aircraft with Discrete Source Damage
… is used to model the quasi-steady aerodynamic forces. The vortex lattice method provides the force distribution which is not available elsewhere. Snapshots from the vortex lattice model are used to generate a reduced order model (ROM). This ROM contains non-linear terms to account for …
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Study of micro-sized particle deposition using DEM, CFD-DEM and SPH approach
… using porosity, coordination number, RDF and force distribution. It was observed that the particles with Gaussian distribution always have the lowest packing density while the mono-sized particles normally have the highest packing density. For cohesive particles, size distributions result in …
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Curved beam based model for piston-ring designs in internal combustion engines
… interactions include asperity and lubrication forces. Besides, gas forces are included to the model along with the inertia and initial ring tangential load. In this model we also allow for bore, groove upper and lower flanks thermal distortion. We also take into account the thermal expansion …
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